| Middlesex to Hoddesdon | 3,486.47 mi (5,610.94 km) |
| Middlesex to Holbeach | 3,465.43 mi (5,577.07 km) |
| Middlesex to Holborn | 3,487.67 mi (5,612.87 km) |
| Middlesex to Hollinwood | 3,365.61 mi (5,416.43 km) |
| Middlesex to Holyhead | 3,270.23 mi (5,262.92 km) |
| Middlesex to Holywell | 3,327.20 mi (5,354.60 km) |
| Middlesex to Honiton | 3,376.02 mi (5,433.18 km) |
| Middlesex to Horbury | 3,386.17 mi (5,449.51 km) |
| Middlesex to Horley | 3,492.92 mi (5,621.32 km) |
| Middlesex to Hornchurch | 3,500.18 mi (5,632.99 km) |
| Middlesex to Horndean | 3,464.72 mi (5,575.93 km) |
| Middlesex to Hornsey | 3,486.04 mi (5,610.24 km) |
| Middlesex to Horsell | 3,473.55 mi (5,590.14 km) |
| Middlesex to Horsforth | 3,379.44 mi (5,438.69 km) |
| Middlesex to Horsham | 3,489.12 mi (5,615.20 km) |
